- Save the trees (print & screenshot)
- Save to 4shared
- Save to Feedly Board
- Save to Google
- Save Webpage As Word Document
- Savings Button: Deals + Cash Back
- S&Box
- ScanSnap iX500 Driver
- Scary Teacher 3D
- School of Dragons
- Schoology
- Sci-Hub Links
- ScpToolkit
- Scrap Mechanic
- Scratch
- Scratch Device Plugin Helper
- Scratch JS
- Screen Shader - F.lux for Chrome
- Screenleap
- Screenshot Webpages
- ScribeFire
- scrible Toolbar
- Script Defender
- Script Hook V
- ScriptBlock